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upm logger using nanoseconds only timestamp

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Signed-off-by: Mihai Stefanescu <mihai.t.gh.stefanescu@gmail.com>
This commit is contained in:
Mihai Stefanescu 2018-06-15 20:11:40 +03:00 committed by Stefan Andritoiu
parent c23d076a1b
commit 422b6926b5
1 changed files with 14 additions and 13 deletions
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27
include/upm_logger.hpp
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@ -32,12 +32,12 @@
#include <thread> #include <thread>
/* Helper macro for logger utility class. */ /* Helper macro for logger utility class. */
#define UPM_LOG(log_level) \ #define UPM_LOG(log_level) \
if (log_level < UPM_LOGGER::LogLevel()) \ if (log_level < UPM_LOGGER::LogLevel()) \
; \ ; \
else \ else \
UPM_LOGGER::getInstance().log(log_level) << LogHelper() << __FILE__ << " " << __FUNCTION__ \ (LogHelper() && UPM_LOGGER::getInstance()).log(log_level) << __FILE__ << " " << __FUNCTION__ \
<< " " << __LINE__ << ": " << " " << __LINE__ << ": "
#define DEFAULT_LOG_FILE "/dev/stdout" #define DEFAULT_LOG_FILE "/dev/stdout"
@ -69,8 +69,6 @@ class UPM_LOGGER
{ {
using namespace std::chrono; using namespace std::chrono;
std::lock_guard<std::mutex> lock(logMutex());
_logStream << "UPM - " _logStream << "UPM - "
<< duration_cast<nanoseconds>(system_clock::now().time_since_epoch()).count(); << duration_cast<nanoseconds>(system_clock::now().time_since_epoch()).count();
_logStream << " [" << getLogLevelName(level) << "] "; _logStream << " [" << getLogLevelName(level) << "] ";
@ -103,6 +101,7 @@ class UPM_LOGGER
return file; return file;
} }
private: private:
UPM_LOGGER() UPM_LOGGER()
{ {
@ -124,25 +123,27 @@ class UPM_LOGGER
std::ofstream _logStream; std::ofstream _logStream;
}; };
/* This class exists only to append a newline when the log statement ends.*/
class LogHelper class LogHelper
{ {
public: public:
LogHelper() LogHelper()
{ {
_os = &UPM_LOGGER::getInstance()._logStream;
_mutex = &UPM_LOGGER::logMutex(); _mutex = &UPM_LOGGER::logMutex();
_mutex->lock();
_os = &UPM_LOGGER::getInstance()._logStream;
} }
~LogHelper() ~LogHelper()
{ {
std::lock_guard<std::mutex> lock(*_mutex);
*(_os) << std::endl; *(_os) << std::endl;
_mutex->unlock();
} }
friend std::ofstream& friend UPM_LOGGER&
operator<<(std::ofstream& os, const LogHelper& h) operator&&(const LogHelper& l, UPM_LOGGER& r)
{ {
return os; return r;
} }
private: private: